#include<iostream>
#include<cstdio>
#include<climits>
using namespace std;

long long a[100005],n,b[100005],maxx=-110,minn=INT_MAX;
long long ans;

int main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		b[a[i]]++;
		maxx=max(maxx,a[i]);
		minn=min(minn,a[i]);
	}
	for(int i=minn;i<=maxx;i++)
	{
		ans=max(ans,b[i]);
	}
	cout<<ans<<endl;
	return 0;
}